Sole-pressing machine



Nov. 6, 1928.

, 1,690,186 E. E. WINKLEY SOLE PRESSING MACHINE Ei led Sept. 1:5, 1926 Fig. 1.

4 Sheets-Sheet 1 Nov. 6, 1928.

E. E. WINKLEY SOLE PRESSING MACHINE Filed Sept. 13, 1926 4 Sheets-Sheet Nov. 6, 1928. 1,690,186

E. E. WINKLEY A SOLE PRESSING MACHINE Filed Sept. 13, 1926 4 Sheets-Sheet 3 /NVENTUR Nov. 6, 1928.

E. E. WINKLEY SOLE PRESSING MACHINE Filed Sept. 13, 1926 4 Sheets-Sheet 4 35 type of machine.

Patented Nov. 6, 1928.

minus 1:. WINKLEY, o1. LYNN,jMASSACHUSETTS, nssren'oa'ro messes m- OHINER'Y COBPORATIQN, OF PATERSON, NEW JERSEY, A CORPORATION OF JERSEY.

SOLE-PRESSING MACHINE.

Application filed September 13,. 1926. Serial No. 135,008.

I This invention rel'atesto sole pressing Inanhinesand is herein illustrated as embodied in a rotary sole l'aying machine of the'type disclosed in United States Letters Patent No. 557,744, granted April 7 1896, on application of E. E. Winkley.

' rotary sole'laying machine of the type referred to comprises an endlesscarrier in g the form of arotating spider, carrying a number of jacks and. corresponding sole engaging pads arranged topress shoes having cemented soles positioned thereon, or in other words to lay the soles. The spider rotates by uniform stepsso that each jack in turn passes aloading position atwhich a treated shoe removed and an untreated one inserted. The next cycle of movement of the machine puts, this shoe under sole playing pressure which is maintained 2" through several cycles until the loading po sition is again approached, when the pressure is removed, the shoe taken out of the machine,fand another substituted as before. In machines ofthisftype prior to the pre-.

2 sent invention, the sole 'aying pressure has been applied by means of the reaction between a cam roll carried by the spider and a cam on lthemachine frame. After the pressure has been applied, the roll passes around a dwell onthe cam to maintain it;

The pressure is very great and a great deal of mechanical work is required'to drag the roll around the cam, which has militated strongly against the practical success of this In view of th foregoing the present invent-ion provides a novel sole laying or pressing mechanism comprising, as hereinfilluss trated, a plurality of shoe supports and sole pressing pads. and a locking mechanism which maintains the sole laying'pressure once it. is established without a'nysubstantia'l friction or mechanical drag in the ima "chine, The only mechanical energy used to area and maintain the pressure is thatre quired to build it up, a little more energy {being utilized at the end of the cycle to perhit the tinloeki'ng of the holding mechanism. In the illustrated machine the locking fmec-hani'sm comprises, appurtenant to each jack, a hook which slips over a lug on a pressurec'reatin member as a cam pujlls lithe member eli g tlyheyond its operative shah pressure position. The cam then drops Theseand other features ofthe invention comprising certain combinations and ar- 1"angements o f pa rts wili 'be apparent from the followingdescription of a preferred em hodiment of the invention shown in the drawings, in which r r Fig. '1 is a front elevationoft'he machine; Fig. 2 is a front 'eleyation of the mechanism appurtenantto one jack, I Fig. 3 is a detailofaclutchmechanism; Fig. 4 is a perspective 'view of a portion of the rotary carrier the mechanism it carries; and i I I i Fig. 5 is a perspective view of the rear of the machine.

The illustrated sole pressin machine has rotated a bout' an axis at Idby'a' worm w'heel a frame 10 which carries-a rdtarycarrier or spid'erhav ng, four arms- 14. The splder 1s 18 and a. clutch InechanismEO. Lugs 22 sp'aced every 90 aroiind ,the; worm wli'eel disconnect the clutch at each quarter revolution ofthe worm wheel and spiderand stop the machine. Theclutdh isacthated a treadle 24. 7

Between eachlpairof successive spider arms, at the front of the machine fiszmourited a jack 26 arranged to tip outwardly under spring pressure toward the front of the mach'ine about an axis perpendicular to the axis. Each jack is ndrmalfly held in erect position by a roll 28,. which rides around a cam 30 having a single notch 32 in its upper side to permit the uppermost jack to "fall forward and outward in the loading position.

' At th end of each arm 14 is pivoted a pad carrying arm 3l'having a cam roll 36 co-operating with a cam 38 mounted on the frame 10 to liftthe 'uppermost pad'carrying arm about its pivot 40. The'outer "end of each arm 34 carries a .bell crank 42 pi voted at44 and having a sole pressing 46 pivotall mounted jat 47, Pa point opposite jthe portion of thefpad, ea sesa e. This a pivotal mounting of the pad at this point: centers the pressure exerted by the pad at the shank of the shoe. The other arm of the bell crank is pivoted at. 48 to a rod 50 which passes through a heavy spring 02 nested in the pad carrying arm 34 and abutting against the pad carrying arm and an adjusting nut i on the rod 50. Thus the spring 52 tends to throw the bell crank 42 counter-clockwisc (Fig. and press the pad 146 down tightly on a shoe on the jaclcQti.

Each arm 1- of the spider carries a guide 56 in which slidine'ly reciprocates a rod 58 to which is fastened a lug which is connected by a. link 62 to the pivot 44 at the outer end of that pad carrying arm 3i which is mounted on the spider arm 14 next: around co1inter-clockwise. The clutch between the rod 58 and the pressure mechanism is similar to that shown in United States Letters Patent No. 640.063, granted December 26. 18 on my application. The rod 58 has teeth 64 i and carries on its lower end, below its lower ti l bearing in the guide 56, a n'iovable box 66, through which it can slide. This box carries av pawl 68 pivoted to the box at 70. Pivoted to the pawls tail at 72 is a link 74 whose other end is pivoted at 76 to the outer end of a bell crank 78 pivoted to the spider frame at 80. The inner end of the bell c1 unk 78 carries a cam roll 82 which runs on a cam having two humps 8st, 86 and mounted fixedly on the frame of the machine. The humps throw the bell crank lever 78 clockwise as seen in Fig. 2.

A. spring 88 connects the outer end of the pad carrying arm 34 with a. lug on the box (56. The rear side of the box (56 has a. back wardly projecting lug 90 arranged to cooperate with a hook or latch 92 pivoted at 94: on the guide. 56 appertaining to the next spider arm 14 in the clockwise direction. The hook has a tail 96 ar'anged to ride over a. cam 98 on the frame 10 to throw the hook up away from the lug 90 as it passes the cam. A spring 100 tends to throw the hook into operative position over the lug 90. A spring 10:? extends from the guide 56 to the outer end of the bell crank 78. A cam 104 is arranged on the frame 10 to hold the roll 82 positively against the cam 83 at a certain time in the cycle. The cam 104 and the spring 102 are for the same purpose.

There are four pressing mechanisms on the spider, only one of which has been described above. It will be understood that all parts not mentioned as mounted on the frame are quadruplicated around the spider.

The machine operates as follows: The machine being stopped, the upper jack is tilted out toward the operator. The pad carrying: arm belonging to this jack is held high by the cam 38. its book 92 is unhooked, the spring 88 is stretched, the box 66 is held thereby up against the lower end of the guide 56, the

roll 82 is on a low part of the cam 83, the pawl 68 is out of operative position, and the rod 58 is raised so that the lug (30 is at the top of the guide 56. The operator arranges a cemented sole on a shoe. puts it on this jack and steps on the treadlc. The spider to revolve and the jack rises into the plane of the spider.

The roll 36 falls along the cam 38 allowing the pad carrying arm 34 to fall toward the shoe, under the pull of the spring 88, until the pad contacts with it. Meanwhile the rod 58 drops down through the guide 56, the teeth (it passing by the pawl 68. After the pad has found and settled on the shoe the roll 82 reaches the hump 84 and begins to throw the hell crank 78 clockwise. The first movement of the bell crank throws the pawl (38 into engagement with the nearest tooth (it and further movement:- ot the hell crank pulls down the box (ill and the rod 58 which now locked to it by the pawlGS. The rod 58 and link (32 pull down the arm still more. and since the pad 46 can come no lower.v the hell crank 42 now turn, compressing the spring 52, which causes the pad to press tiahtly against the sole of the shoe. is the box 66 nears its position of greatest separation from the guide 56 the book 92 falls over the lug 90, and as the roll 82 falls off the hump 84 the hook holds the box 66 in this position and keeps the spring 52 under compression. There is now no pres sure between the roll 82 and the cam 83. The machine then stops with the arm 3% in a vertical position atthe right of the machine, Fig. 1.

The operator removes the shoe which has now come up to the loading position on the succeeding jack, puts on another and starts the machine again. During the next. two quarter revolutions of the spider the first shoe remains under pressure and no change takes place in the conditions appurtenant to it. It is carried. under pressure. from the right side to the bottom and to the left side of the machine.

Atthe beginning of the tourth quarter revolution of the spider the pad carrying arm 34 is in a. vertical position at the left of the machine, Fig. l. and the roll 82 is just to the left of the hump 86. It rides: up the hump releasing the pressure on the hook 92. whose tail 96 now passes under the cam 98. which tips it away 'lrom the lun 90. The roll 82 then falls rapidly under the pull of the spring 52. which lifts the rod 58 until the spring 52 has run down. The box 66 rises to contact with the lower end of the guide 56, and the cam lO-t and spring 102 insure that the roll 82 shall fall completely to the low p: rt of the cam 83 and thus cause the nnlatehing of the pawl 68. The roll then begins to ride up the cam 38, lifting the pad carrying arm 34 against the spring 88 and releasing ltltl r the ehoe.' At theend of this lourth cycle or having pressure relieved.

It will be understoodtliatthe compression ofthe spring 52 will be alwaysdue to the same amount of movement of the rod -8;,ex-

cept for a possible fraction of the length of a tooth64 sothat all shoesare treated'with substantially the sametotal pressure irrespective of individual variations. inthe heights of their lasts. In effect, the machine measures the work and then gives it a standard pressure.

By virtue ofthehook 92 and its associated mechanism the shoe is held under maximum pressure for more than two cycles Without the consumption of any mechanical energy. The cam roll 82 1svvork1ng only .while it goes over the humps 84,86, that'is', during a small fraction, only, of atotal revolution of the spider.

In case there were no shoe on the jack, the rod 58 would overthrow downward and when the roll 82 went over the hump 84: the extra movement of the rod 58 would smash the mechanism at 44 against the upper end of the guide 56. To prevent this, the illustrated machine is provided with a safety device comprising a pin 106 mounted ont-helug 60 and arranged to strike the top of the box 66. In a case such as just described the pin 106 pushes down the box 66 asthe rod 58 overthrows, and lifts the roll 82 away from the low part of the cam 83. Then when the hump 84 comes along the rod 58 cannot be moved enough more to cause breakage.

Having described my invention, what I claim as new and desire to secure by Letters Patent of the United States is:

1. In a sole laying machine, a rotary carrier having an opposed jack and pressing pad, power-operated pressure mechanism to cause relative approach of the jack and pad as the carrier rotates to press a shoe on the jack, said mechanism. comprising a reciprocatory member and cam mechanism for operating it,

and a lug and a hook one of which is mounted on the carrier and the other on the reciprocatory member, said lug and hook being arranged to engage as the reciprocatory member reaches its operative. position and the cam mechanism being constructed and arranged to become inoperative after this engagement and to become again operative at the end of the pressure cycle thereby permitting the dis engagement of the hook and lug and the release of the pressure mechanism.

2. In a sole laying machine, a rotary spider carrying a plurality of jacks and opposed pressing pads, a mechanism in connection with each pad for moving the pad to press a shoe on the correspondinj jack comprising-a reciproca-tory member, a i x'edcam on the machine frame, a lever operated "by the cam arranged to act on the reciprocatory member asthe spider rotates to establish the pressure, a lug on the reciprocatorymember, a hook on the spider arrangedto engage the lug as the cam operated lever reaches its extreme positron, the cam being arranged to releasethe lever after-this engagement and to pick it up again toward the end of a complete revehition of the spider, and a fixed cam for subsequently disengaging the hook, thefirst-named cam being constructed and arranged then to release the pressure on 'the sh oe.

"3 In a sole laying machine, a rotary spider carrying a plurality of jacks and *opposed pressing pads, a mechanism in connection with each pad for moving the 'pad to press a shoe on 'thc'corresponding jack comprising a reciprocatory member having teeth, a spring for operating said member to move' 'the pad into contact with the shoe, afixed-cam oaths machine frame,a leveroperated' by the'cam, a pawl operated by the lever and arranged 'to engage one of the teeth in the reciprocatory member after the pad has been located on the shoe and then to act on the reciprocatory member to apply the operative pressure to the shoe, a lug on the reciprocatory member, a hook on the spider arranged to engage the lug as the cam operated lever reaches its extreme position, the cam being arranged to release the lever after this engagement and to pick it up again toward-the end of a com plete revolution of the spider, and a fixed cam for subsequently disengaging the hook, the

first-named cam being constructed and ar- "ing a jack and an opposed'sole pressing pad and arranged to carry the jack and pad past ill! a loading station, a cam having a surface 7 thereon constructed and arranged to establish sole laying pressure on a shoe on the jack in response to relative movement between the carrier and the cam, the said cam surface being limited substantially to the extent required to establish the said pressure, and a latch for maintaining the pressure, when established, independently of the cam.

5. In a sole laying machine, a pad carrier movable to carry a pressure pad toward the bottom of: a shoe, a bell crank pivoted thereto and having a pressure pad mounted on one arm, and a spring mounted in the carrier and connected to the other arm to cause the pad to exert pressure on a shoe in contact with the pad.

6. In a sole laying machine, a jack, a'pivoted arm movable to carrya sole presslng pad against a shoe on the ack, a sole pressing pad pivotally mounted on the arm for movement about an axis extending laterally of the shoe in a location opposite the shank portion of the pad, and means for relatively moving the pad and jack to impart sole laying pressure to the shoe.

7. In a machine for applying pressure to the bottoms of shoes, a rotary carrier having thereon a jack and a pressing member, said jack being constructed to position a last and shoe for the application of pressure to the bottom of the shoe by said pressing member, mechanism for effecting relative movement of said jack and pressing member to apply pressure to the shoe in response to rotation of said carrier, and a latch constructed and arranged to hold said mechanism positively in position to maintain the pressure applied thereby to the shoe independently of further rotation of the carrier.

8. In a machine for applying pressure to the bottoms of shoes, a rotary carrier having thereon a jack and a pressing member, said jack being constructed to position a last and shoe for the application of pressure to the bottom of the shoe by said pressing member, a cam for effecting relative movement of said jack and pressing member to apply pressure to the shoe in response to rotation of said carrier, said cam being so constructed as to become inoperative in further rotation of the carrier after the pressure has been applied, anda latch arrangedto become operativeautomatically to hold said mechanism positively in position to maintain the pressure applied thereby to the shoe when the cam is inoperative.

9. In a machine of the class described, the combination with a shoe support, of a carrier mounted for movement heightwise of a shoe on said support, a bell-crank on said carrier, a member connected to one arm of said bell-crank for applying pressure to the bottom of the shoe in response to movement of the carrier, and a spring arranged to control the other arm of the boll-crank and to yield in response to pressure of said member on the shoe.

In testimony whereof I have signed my name to this specification.

ERASTUS E. VVINKLEY. 

